Aastra 9143i Ip Phone - Desktop Wall Mountable - 9 X Total Line - Voip - Poe Ports Auto Attendant including Dial by Name and Music on Hold with customizable Music on Hold allowing mulitple on hold messages Voice Mail included no extra fee, Voice Mail to Email, and Web Portal Access Conference Calling up to 25 particpants included with Web Portal Access Keep your existing phone number or get new numbers, Free User to User calling. Plans start as low as $19.99 per line per month